At the production site of chemical industry, petrochemical industry, natural gas and metallurgy, there often with various flammable & explosive gas and steam, using common TC and RTD is easy to cause explosion of environment gas, therefore, EPTC and EPRTD must used as temperature sensor. EPTC and EPRTD are suitable for the places with explosive gas between temperature grades dIIBT4 and dIIBT5.
